Youin MA1010 Mode D'emploi page 7

How to wear
1. Keep the helmet level and not tilt forward or
backward.
2. When wearing the helmet correctly, adjust the
thickness of the cross under the ear (A), about
1.5 cm. The entire strap is locked in the lower
jaw (B), not the throat It is also necessary to
about 1.5 cm, to reach the degree of looseness
of one finger. (As shown below).
Look up, wrong
A. Cross regulation
band is about 1,5
cm below the ear
Back up, wrong
B. Finger can be
inserted into the
lower jaw
EN
Stay level, right